CN103587121A - Processing method for supra-macromolecule polyethylene composite pipe - Google Patents
Processing method for supra-macromolecule polyethylene composite pipe Download PDFInfo
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- CN103587121A CN103587121A CN201310298794.XA CN201310298794A CN103587121A CN 103587121 A CN103587121 A CN 103587121A CN 201310298794 A CN201310298794 A CN 201310298794A CN 103587121 A CN103587121 A CN 103587121A
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Abstract
The invention discloses a processing method for a supra-macromolecule polyethylene composite pipe. The processing method comprises the following steps of (1) uniformly mixing supra-macromolecule polyethylene resin, graphite, polyethylene wax and an antioxidant which serve as raw materials, adding the uniformly mixed raw materials into a material barrel of a screw extruder, and manufacturing a pipe with the same shape as that of a neck mold with a certain shape through the neck mold on the screw extruder under the rotary extrusion action of a screw, wherein the pipe passes through a sizing device and a cooling device and is cooled to be hardened and sized by a water-oil cooling mode; continuously and uniformly leading out a product during cooling after a product plastic piece is extruded from the neck mold, cutting the cooled and sized product through a cutting device, and inspecting the cut product, wherein the qualified product is a supra-macromolecule polyethylene pipe; (2) cutting and posttreating the supra-macromolecule polyethylene pipe, and putting the post-treated supra-macromolecule polyethylene pipe into a steel pipe to obtain the supra-macromolecule polyethylene composite pipe. According to the processing method, the technology is simple; the supra-macromolecule polyethylene composite pipe is easy to produce and manufacture; the manufactured pipe is high in abrasion resistance, self-lubrication property and intensity, stable in chemical property and high in aging resistance.
Description
Technical field
The present invention relates to a kind of manufacture method of tubing, be specifically related to a kind of processing method of ultra high molecular polyethylene composite steel tube.
Background technology
Existing steel strength is high, good toughness, shock-resistant, good welding performance, is the conventional pipelines such as conveying granular material, grinding, Korrosionsmedium, but steel pipe hardness low, wear no resistance, corrosion-resistant, service life is short, cost is high.Therefore, need a kind of new composite steel tube.
Summary of the invention
The processing method that the object of this invention is to provide a kind of ultra high molecular polyethylene composite steel tube, technique of the present invention is simple, manufactures easily, and the pipeline wearability, self lubricity, the strength ratio that make are higher, stable chemical nature, ageing resistace is strong.
The object of the invention is to be achieved through the following technical solutions, a kind of processing method of ultra high molecular polyethylene composite steel tube, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85-95:1-2:2.7-13.9:0.1-0.3, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
Preferably, the mass ratio of described ultra high molecular polyethylene resin, graphite, Tissuemat E and antioxidant is 90:2.3:6.5:0.2.
Preferably, the velocity of rotation of described screw extruder screw rod is 60-80r/min.
Preferably, described antioxidant is the mixture of antioxidant 1010 or antioxidant 1076 or antioxidant 1010 and antioxidant 1076.
Compared with prior art, the present invention has following beneficial effect: the first, and ultra-high molecular weight polyethylene has superpower wearability, self lubricity, and strength ratio is higher, stable chemical nature, ageing resistace are strong.To in superhigh molecular weight polyethylene pipe, be lining in steel pipe, the center line of superhigh molecular weight polyethylene pipe and steel pipe is on same straight line, superhigh molecular weight polyethylene pipe and steel pipe adopt matched in clearance, gap is 1-1.5mm, make transport pipeline have the advantage of steel pipe and superelevation subcomponent polyethylene pipe concurrently, expand the scope of application of pipeline, be applicable to the conveying of solid particle, powder, slurry and gas.The pipe material inner wall making is smooth, tube fluid resistance is little, non-scaling, do not grow microorganism, fluid is not subject to secondary pollution, with domestic like product comparison, the hot strength of tubing can improve 120%, and tension fracture elongation rate can improve 40%, notched Izod impact strength can improve 110%, effectively raise the service life of tubing, reduced client's use cost, saved resource, second, by traditional single screw extrusion molding, be improved to the reaction extrusion molding in extrusion molding new technology, material is constantly accepted between the external heat and screw rod and plastics of barrel, shearing friction heat between barrel and plastics, melting is viscous state then under the effect of extrusion system gradually, plastic melt is by the effigurate extrusion die of tool, thereby obtain the effigurate tubing of tool, compare with original single screw extrusion molding technology, Repeat-heating has been avoided in reaction extrusion molding, can adjust in time monomer in process of production, the physical property of raw material, guarantee product quality, reduce production costs, the 3rd, the improvement to existing extrusion equipment, the rotating speed of adjustment screw rod, by 10 general～35r/min, be adjusted into 60-80r/min, add the moment of torsion of gear wheel, cooling section adopts water-cooled mode to carry out cooling and shaping to goods, thereby guarantee the quality of goods, enhance productivity.
The specific embodiment
Embodiment 1
A processing method for ultra high molecular polyethylene composite steel tube, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85-95:1-2:2.7-13.9:0.1-0.3, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
Preferably, the mass ratio of described ultra high molecular polyethylene resin, graphite, Tissuemat E and antioxidant is 90:2.3:6.5:0.2.
Preferably, the velocity of rotation of described screw extruder screw rod is 60-80r/min.
Preferably, described antioxidant is the mixture of antioxidant 1010 or antioxidant 1076 or antioxidant 1010 and antioxidant 1076.
Embodiment 2
A processing method for ultra high molecular polyethylene composite steel tube, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant 1010 mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85:1:13.9:0.1, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
The preferred 60r/min of velocity of rotation of screw extruder screw rod.
Embodiment 3
A processing method for ultra high molecular polyethylene composite steel tube, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant 1076 mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 90:2.3:6.5:0.2, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
The preferred 70r/min of velocity of rotation of screw extruder screw rod.
Embodiment 4
A processing method for ultra high molecular polyethylene composite steel tube, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 95:2:2.7:0.3, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
The velocity of rotation of screw extruder screw rod is preferably 60-80r/min.
Antioxidant is the mixture of antioxidant 1010 and antioxidant 1076.
Ultra-high molecular weight polyethylene has superpower wearability, self lubricity, and strength ratio is higher, stable chemical nature, ageing resistace are strong.To in superhigh molecular weight polyethylene pipe, be lining in steel pipe, the center line of superhigh molecular weight polyethylene pipe and steel pipe is on same straight line, superhigh molecular weight polyethylene pipe and steel pipe adopt matched in clearance, gap is 1-1.5mm, make transport pipeline have the advantage of steel pipe and superelevation subcomponent polyethylene pipe concurrently, expand the scope of application of pipeline, be applicable to the conveying of solid particle, powder, slurry and gas.The pipe material inner wall making is smooth, tube fluid resistance is little, non-scaling, do not grow microorganism, fluid is not subject to secondary pollution, with domestic like product comparison, the hot strength of tubing can improve 120%, and tension fracture elongation rate can improve 40%, notched Izod impact strength can improve 110%, effectively raise the service life of tubing, reduced client's use cost, saved resource.
The present invention is improved to the reaction extrusion molding in extrusion molding new technology by traditional single screw extrusion molding, material is constantly accepted between the external heat and screw rod and plastics of barrel, shearing friction heat between barrel and plastics, melting is viscous state then under the effect of extrusion system gradually, plastic melt is by the effigurate extrusion die of tool, thereby obtain the effigurate tubing of tool, compare with original single screw extrusion molding technology, Repeat-heating has been avoided in reaction extrusion molding, can adjust in time monomer in process of production, the physical property of raw material, guarantee product quality, reduce production costs.
The improvement of the present invention to existing extrusion equipment, the rotating speed of adjustment screw rod, is adjusted into 60-80r/min by 10 general～35r/min, the moment of torsion that adds gear wheel, cooling section adopts water-cooled mode to carry out cooling and shaping to goods, thereby guarantees the quality of goods, enhances productivity.
Claims (4)
1. a processing method for ultra high molecular polyethylene composite steel tube, is characterized in that, comprises the following steps:
(1) by raw material polyvinyl resin with super-high molecular weight, graphite, Tissuemat E, antioxidant mixes, ultra high molecular polyethylene resin, graphite, Tissuemat E, the mass ratio of antioxidant is 85-95:1-2:2.7-13.9:0.1-0.3, the raw material mixing joins screw extruder barrel, in barrel temperature and screw rod rotation, under compacting and immixture, solid-state raw material change the improving uniformity of melt with mobility into, improving uniformity of melt moves to barrel front end with the rotation of screw rod, under the rotary squeezing effect of screw rod, by the mouth mould of definite shape on screw extruder, obtain and mouthful tubing that mould shape is consistent, tubing is by shaping equipment and cooling device, cooling employing water-oil cooled mode, make its cooling hardening and shape, product plastic, from die extrusion, in cooling, is drawn product continuous uniform, utilizes cutter sweep to cutting through product cooling, that sizing obtains, and the product after cutting is through check, and the product being up to the standards is ultra high molecular polyethylene pipe,
(2) superhigh molecular weight polyethylene pipe is cut and post processing, in reprocessed superhigh molecular weight polyethylene pipe, be lining in steel pipe, obtain ultra high molecular polyethylene composite steel tube.
2. the processing method of ultra high molecular polyethylene composite steel tube according to claim 1, is characterized in that, the mass ratio of described ultra high molecular polyethylene resin, graphite, Tissuemat E and antioxidant is 90:2.3:6.5:0.2.
3. the processing method of ultra high molecular polyethylene composite steel tube according to claim 1, is characterized in that, the velocity of rotation of described screw extruder screw rod is 60-80r/min.
4. the processing method of ultra high molecular polyethylene composite steel tube according to claim 1, is characterized in that, described antioxidant is the mixture of antioxidant 1010 or antioxidant 1076 or antioxidant 1010 and antioxidant 1076.
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| CN201310298794.XA CN103587121B (en) | 2013-07-17 | 2013-07-17 | A kind of processing method of supra-macromolecule polyethylene composite pipe |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212035A (en) * | 2014-09-05 | 2014-12-17 | 扬州巨业耐磨复合材料有限责任公司 | Processing method of high-strength self-lubricating ultra-high molecular weight polyethylene wear-resistant composite pipe |
| CN104861270A (en) * | 2015-05-28 | 2015-08-26 | 山东科力新材料有限公司 | Temperature-resistant oil pumping pipe and production method thereof |
| CN106496722A (en) * | 2016-09-26 | 2017-03-15 | 中国科学院兰州化学物理研究所 | Compound pipeline complex pipeline and its preparation technology |
| CN106867079A (en) * | 2017-03-11 | 2017-06-20 | 苏州中隆机电配件有限公司 | A kind of improved composition of ultra-high molecular weight polyethylene and its preparation method and application |
| CN110283446A (en) * | 2019-05-25 | 2019-09-27 | 招商局重工（江苏）有限公司 | The inner lining material and preparation method thereof of nonmetal flexible multiple tube |
| CN111873363A (en) * | 2020-08-01 | 2020-11-03 | 河南中喷天润实业有限公司 | New process for composite polymer plastic pipe |
| CN114539650A (en) * | 2022-01-10 | 2022-05-27 | 上海化工研究院有限公司 | Preparation method of ultra-high molecular weight polyethylene nano composite material product, mold and product |
| CN117944244A (en) * | 2024-03-22 | 2024-04-30 | 贵阳甬鑫塑管制造有限公司 | Plastic pipe cooling and shaping equipment |
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| CN1963278A (en) * | 2006-11-20 | 2007-05-16 | 山东东方管业有限公司 | Superhigh molecular polyethylene compound pipe and method for manufacturing same |
| CN102964659A (en) * | 2012-11-05 | 2013-03-13 | 山西晋龙通达管业有限公司 | Multifunctional polyethylene and stainless steel composite pipe |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1963278A (en) * | 2006-11-20 | 2007-05-16 | 山东东方管业有限公司 | Superhigh molecular polyethylene compound pipe and method for manufacturing same |
| CN102964659A (en) * | 2012-11-05 | 2013-03-13 | 山西晋龙通达管业有限公司 | Multifunctional polyethylene and stainless steel composite pipe |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212035A (en) * | 2014-09-05 | 2014-12-17 | 扬州巨业耐磨复合材料有限责任公司 | Processing method of high-strength self-lubricating ultra-high molecular weight polyethylene wear-resistant composite pipe |
| CN104861270A (en) * | 2015-05-28 | 2015-08-26 | 山东科力新材料有限公司 | Temperature-resistant oil pumping pipe and production method thereof |
| CN104861270B (en) * | 2015-05-28 | 2017-06-16 | 山东科力新材料有限公司 | A kind of heatproof oil pumping tubing and its production method |
| CN106496722A (en) * | 2016-09-26 | 2017-03-15 | 中国科学院兰州化学物理研究所 | Compound pipeline complex pipeline and its preparation technology |
| CN106867079A (en) * | 2017-03-11 | 2017-06-20 | 苏州中隆机电配件有限公司 | A kind of improved composition of ultra-high molecular weight polyethylene and its preparation method and application |
| CN110283446A (en) * | 2019-05-25 | 2019-09-27 | 招商局重工（江苏）有限公司 | The inner lining material and preparation method thereof of nonmetal flexible multiple tube |
| CN111873363A (en) * | 2020-08-01 | 2020-11-03 | 河南中喷天润实业有限公司 | New process for composite polymer plastic pipe |
| CN114539650A (en) * | 2022-01-10 | 2022-05-27 | 上海化工研究院有限公司 | Preparation method of ultra-high molecular weight polyethylene nano composite material product, mold and product |
| CN117944244A (en) * | 2024-03-22 | 2024-04-30 | 贵阳甬鑫塑管制造有限公司 | Plastic pipe cooling and shaping equipment |
| CN117944244B (en) * | 2024-03-22 | 2024-05-24 | 贵阳甬鑫塑管制造有限公司 | Plastic pipe cooling and shaping equipment |
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| CN103587121B (en) | 2016-07-06 |
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